287173320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{6977}}^1$

素因数の和:7012

約数の個数: 128

約数和(自身を含む): 1004832000

約数和(自身を除く): 717658680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 6977, 8232, 10290, 13720, 13954, 20580, 20931, 27908, 34885, 41160, 41862, 48839, 55816, 69770, 83724, 97678, 104655, 139540, 146517, 167448, 195356, 209310, 244195, 279080, 293034, 341873, 390712, 418620, 488390, 586068, 683746, 732585, 837240, 976780, 1025619, 1172136, 1367492, 1465170, 1709365, 1953560, 2051238, 2393111, 2734984, 2930340, 3418730, 4102476, 4786222, 5128095, 5860680, 6837460, 7179333, 8204952, 9572444, 10256190, 11965555, 13674920, 14358666, 19144888, 20512380, 23931110, 28717332, 35896665, 41024760, 47862220, 57434664, 71793330, 95724440, 143586660, 287173320]

約数ペア:

[(1, 287173320), (2, 143586660), (3, 95724440), (4, 71793330), (5, 57434664), (6, 47862220), (7, 41024760), (8, 35896665), (10, 28717332), (12, 23931110), (14, 20512380), (15, 19144888), (20, 14358666), (21, 13674920), (24, 11965555), (28, 10256190), (30, 9572444), (35, 8204952), (40, 7179333), (42, 6837460), (49, 5860680), (56, 5128095), (60, 4786222), (70, 4102476), (84, 3418730), (98, 2930340), (105, 2734984), (120, 2393111), (140, 2051238), (147, 1953560), (168, 1709365), (196, 1465170), (210, 1367492), (245, 1172136), (280, 1025619), (294, 976780), (343, 837240), (392, 732585), (420, 683746), (490, 586068), (588, 488390), (686, 418620), (735, 390712), (840, 341873), (980, 293034), (1029, 279080), (1176, 244195), (1372, 209310), (1470, 195356), (1715, 167448), (1960, 146517), (2058, 139540), (2744, 104655), (2940, 97678), (3430, 83724), (4116, 69770), (5145, 55816), (5880, 48839), (6860, 41862), (6977, 41160), (8232, 34885), (10290, 27908), (13720, 20931), (13954, 20580)]